Sofa



FIG. 1 is a front perspective view of the sofa showing my design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a top plan view, showing armrests in an open position;

FIG. 4 is another top plan view, showing armrests in a closed position;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a side view, showing armrests in an open position;

FIG. 7 is another side view, showing armrests in a closed position; and,

FIG. 8 is a side perspective view thereof, showing armrests in dotted lines illustrating a range of positioning of the armrests.

The broken lines shown on the sofa are understood to represent stitching. The dotted lines shown on the sofa are understood to show positioning of the armrests. 

I claim the ornamental design for a sofa, as shown and described. 